Square D miniature circuit breakers (MCBs), manufactured by Schneider Electric, provide reliable overcurrent and short-circuit protection for residential, commercial, and industrial electrical systems. Designed to automatically interrupt power during electrical faults, Square D MCBs help protect wiring, equipment, and connected devices while ensuring safe and dependable operation. Available in a variety of amperage ratings, pole configurations, and trip characteristics, Square D miniature circuit breakers are ideal for panelboards, control panels, machinery, and power distribution systems where compact, high-performance circuit protection is essential.
Square D Miniature Circuit Breakers
Square D miniature circuit breakers (MCBs), manufactured by Schneider Electric, provide reliable overcurrent and short-circuit protection for residential, commercial, and industrial electrical systems. Designed to automatically interrupt power during electrical faults, Square D MCBs help protect wiring, equipment, and connected devices while ensuring safe and dependable operation. Available in a variety of amperage ratings, pole configurations, and trip characteristics, Square D miniature circuit breakers are ideal for panelboards, control panels, machinery, and power distribution systems where compact, high-performance circuit protection is essential.
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Miniature Circuit Breaker, QO Series, 15A, 3 Pole, 240V AC, 10kA at 240V AC - QOB315HID
Regular price $623.98 USDRegular priceUnit price per -
Mini Circuit Breaker, Qo, 15A, 3 Pole, 208Y/120VAC, 10KA, 6MA Grd Fault A - QOB315GFI
Regular price $823.98 USDRegular priceUnit price per -
Mini Circuit Breaker, Qo, 15A, 3 Pole, 120/240VAC, 10KA, Fungal Treatment - QOB315FT
Regular price $757.81 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOB3155237
Regular price $500.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 15A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOB3151021
Regular price $780.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 110A, 3 Pole, 120/240V AC, 22kA at 120/240V AC - QOB3110VH
Regular price $2,783.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 100A, 3 Pole, 120/240V AC, 22kA at 120/240V AC - QOB3100VH1021
Regular price $1,135.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 100A, 3 Pole, 240V AC, 10kA at 120/240V AC - QOB31005273
Regular price $795.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 10A, 3 Pole, 120/240V AC, 10kA at 120/240V AC - QOB310
Regular price $422.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 80A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QOB280VH
Regular price $651.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 70A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2701021
Regular price $587.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB260H
Regular price $382.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QOB260GFI
Regular price $742.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 60A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QOB260EPD
Regular price $1,126.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB240HID
Regular price $172.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 50A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QOB250GFI
Regular price $779.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 240V AC, 10kA at 120/240V AC - QOB240H
Regular price $363.18 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, A Curve - QOB240GFI
Regular price $742.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 40A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QOB240EPD
Regular price $1,078.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 240V AC, 10kA at 120/240V AC - QOB230H
Regular price $351.98 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 30A, 2 Pole, 120/240V AC, 10kA at 120/240V AC - QOB2305237
Regular price $169.58 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 22kA at 120/240V AC - QOB225VH
Regular price $308.78 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 25A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve - QOB225EPD
Regular price $1,318.38 USDRegular priceUnit price per -
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 240V AC, 10kA at 120/240V AC - QOB220H
Regular price $375.98 USDRegular priceUnit price per
